The Encoder,shaft Angle to Digital, cataloged under National Stock Number 5990-01-672-4492, is classified within Federal Supply Class 5990 (Synchros and Resolvers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lake Shore Systems, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Encoder,shaft Angle to Digital |
| FSC / FSG | 5990 — Synchros and Resolvers (FSG 59) |
| Manufacturers | Lake Shore Systems, Inc. (CAGE 34712) |
| Parameter | Value |
|---|---|
| NSN | 5990-01-672-4492 |
| Primary Part Number | F181869-18 |
| Item Name | Encoder,shaft Angle to Digital |
| FSC / FSG | 5990 / 59 — Synchros and Resolvers |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| F181869-18 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1542-270-0-001-1 TAGLINE 1 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| P009225 REV- TAGLINE 1 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| P009225 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
| F181869-18 TAGLINE 1 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
| P006897 REV B ITEM:59 TAGLINE 1 | C/1 Advisory reference — outside the item-of-supply concept Lake Shore Systems, Inc. |
NSN 5990-01-672-4492 is a Encoder,shaft Angle to Digital, manufactured by Lake Shore Systems, Inc., classified under FSC 5990, Synchros and Resolvers. Status: active.
NSN 5990-01-672-4492 has 1 manufacturer part number on file: F181869-18 (Lake Shore Systems, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5990-01-681-7794, 5990-01-681-7795. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.